Electrostatic deep heating applicators
CA 1324414 C · Owner: Harrison, William H. · Inventors: Harrison, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrostatic deep heating applicator deposits RF energy in a relatively uniform manner throughout a given cross-section of the human torso thus resulting, in a similar uniform heating of the region. The applicator uses a pair of identical, rectangular (70) flat (82) or cylindrical applicators which generate a heat-producing electric field predominantly parallel to the major axis of the body (74) so as to minimize excessive surface heating. The applicator finds particular use in the treatment of deep seated cancers in patients. It need only be placed near the torso for satisfactory operation, thus allowing a relatively large air gap between it and the patient. It requires very minimum …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.